What year did mexico gain independence from spain

The civil war started on September 16th, 1810. but Spain finally gave them there independence on September 27th, 1821

On September 16, 1810, Miguel Hidalgo y Costilla, a Catholic priest, launched the Mexican War of Independence with the issuing of his Grito de Dolores, or "Cry of Delores." The revolutionary tract called for the end of Spanish rule in Mexico, redistribution of land, and racial equality.